morningman commented on code in PR #9301:
URL: https://github.com/apache/incubator-doris/pull/9301#discussion_r866435088


##########
be/src/olap/tablet_manager.h:
##########
@@ -205,6 +205,9 @@ class TabletManager {
 
     // trace the memory use by meta of tablet
     std::shared_ptr<MemTracker> _mem_tracker;
+    // The logical memory given by sizeof is less than the actual memory 
allocated by tcmalloc,
+    // Because the minimum memory allocation unit of tcmalloc is page, memory 
fragmentation will occur.

Review Comment:
   I think we can just delete it.



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